Home / 26,391.84-39,583.92-9,972

Finding the Fourth Proportional to 26,391.84, 39,583.92 and 9,972

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Solution

The fourth proportional to 26,391.84, 39,583.92 and 9,972 is: 14,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.84 : 39,583.92 = 9,972 : x
  2. Step 2: Convert to fraction form
    26,391.84/39,583.92 = 9,972/x
  3. Step 3: Cross multiply
    26,391.84x = 39,583.92 × 9,972
  4. Step 4: Simplify right side
    26,391.84x = 394,730,850.24
  5. Step 5: Solve for x
    x = 394,730,850.24/26,391.84
  6. Step 6: Final answer
    x = 14,956.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.